Compare: 2026 XDS X-LAB RS5 Base M vs 2023 Giant Bicycles Defy Advanced 2 M

Insights

Average stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Giant Bicycles Defy

Stack	575mm	567mm -8mm
Reach	381mm	377mm -4mm
Stack to Reach Ratio	1.51:1	1.5:1
Seat Tube Length, C-T	510mm	480mm -30mm
Top Tube Length, Effective/Horizontal Center	548mm	—
Top Tube Length, Effective/Horizontal HT Top	—	545mm
Top Tube Slope	9.2deg	11.8deg +2.6deg
Head Tube Angle	73deg	72.5deg -0.5deg
Seat Tube Angle	74deg	73.5deg -0.5deg
Head Tube Length	155mm	160mm +5mm
Bottom Bracket Drop	75mm	75mm +0mm
Bottom Bracket Height	268mm	268mm +0mm
Chainstay Length	420mm	420mm +0mm
Chainstay Length Horizontal	413.3mm	413.3mm +0mm
Front-Center	596mm	589.5mm -6.5mm
Front-Center Horizontal	590.8mm	584.8mm -6mm
Wheelbase	1004mm	998mm -6mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length (On-Axis)	386mm	—
Trail	52.6mm mid/neutral	55.7mm +3.1mm mid/neutral
Mechanical Trail	50.3mm	53.1mm +2.8mm
Wheel Flop	14.7mm	16mm +1.3mm
Standover Height	784mm	786mm +2mm
Tire to Pedal Spindle	83mm 170 mm cranks	74mm -9mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	95.5mm -2.5mm 172.5 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm +0mm
Tire Width Max	38mm	35mm -3mm
Tire Outer Diameter	686mm	686mm +0mm
Bike Length with Tires	1690mm	1684mm -6mm
Crank Length	170mm	172.5mm +2.5mm
Handlebar Width	400mm	420mm +20mm
Stem Length	100mm	100mm +0mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc